Anolis OS update for krb5



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-24528
CWE-ID CWE-787
Exploitation vector Local network
Public exploit N/A
Vulnerable software
Anolis OS
Operating systems & Components / Operating system

libkadm5
Operating systems & Components / Operating system package or component

krb5-workstation
Operating systems & Components / Operating system package or component

krb5-server-ldap
Operating systems & Components / Operating system package or component

krb5-server
Operating systems & Components / Operating system package or component

krb5-pkinit
Operating systems & Components / Operating system package or component

krb5-libs
Operating systems & Components / Operating system package or component

krb5-devel
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds write

EUVDB-ID: #VU103504

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-24528

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when calculating ulog block size in kadmind. A remote user can trigger an out-of-bounds write and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 7

libkadm5: before 1.15.1-55.0.2

krb5-workstation: before 1.15.1-55.0.2

krb5-server-ldap: before 1.15.1-55.0.2

krb5-server: before 1.15.1-55.0.2

krb5-pkinit: before 1.15.1-55.0.2

krb5-libs: before 1.15.1-55.0.2

krb5-devel: before 1.15.1-55.0.2

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2025:0137


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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